National Space Research and Development Agency

Spatial variability of TEC perturbations and ROTI during the 3 october 2024 X9.0 solar flare: a multi-station GNSS analysis

Abstract This study investigates the spatially heterogeneous low-latitude ionospheric response to the 3 October 2024 X9.0 solar flare using GNSS observations from seven equatorial and low-latitude stations. TEC, quiet-time differential TEC ( $$\Delta \textrm{TEC}$$ ), and ROTI we...

Hierarchical Information Leakage in Machine-Learning Classification of Marine Microbial Enzymes for Microplastic Research

This record contains the curated dataset, executable analysis code, and complete computational outputs supporting the study “Auditing Hierarchical Information Leakage in Marine Microbial Enzyme Classification for Microplastic Research.” The study evaluates classification of the r...

Digital Governance Reforms and Public Service Delivery Efficiency in Kogi State, Nigeria: An Evaluative Analysis, 2020 - 2026

This article examines digital governance reforms and their impact on public service delivery efficiency in Kogi State, Nigeria, from 2020 to 2026. The study addresses the absence of independent academic evaluations of the state's e-government programme, aside from official self-r...

Impact Of Artificial Intelligence on International Security: Opportunities and Challenges

The application and deployment of Artificial Intelligence (AI) have influenced virtually all facets of human endeavour. This influence is not limited only to application to how we conduct business or socialize; the military application has further proved that as effective of a to...

Design, Development and Engineering Evaluation of An Automated Disinfectant Tunnel Developed At the National Space Research And Development Agency (NASRDA) During The Covid-19 Pandemic

The COVID-19 pandemic created an urgent need for innovative technological solutions capable of supporting hygiene, environmental control and infection-control activities in public and institutional environments. In response to this challenge, an automated disinfectant tunnel was...

Effect of copper wire additive on the properties of Anonychium africanum pod biochar produced in a two-chamber top-lit updraft gasifier

Inefficient biomass conversion causes significant carbon loss and environmental pollution, necessitating controlled gasification approaches that maximize biochar quality and functional performance. This study investigated the effect of copper additives on the yield and properties...

Sustainable Management and Conservation of Shere Hills Forest Reserve Using Integrated GIS and Remote Sensing Techniques: A Multi-Temporal Analysis

Forest reserves are increasingly threatened by anthropogenic activities and climate-induced environmental change, necessitating robust geospatial techniques for effective monitoring and sustainable management. This study evaluated the long-term dynamics and conservation status of...

Sustainable Management and Conservation of Shere Hills Forest Reserve Using Integrated GIS and Remote Sensing Techniques: A Multi-Temporal Analysis

Forest reserves are increasingly threatened by anthropogenic activities and climate-induced environmental change, necessitating robust geospatial techniques for effective monitoring and sustainable management. This study evaluated the long-term dynamics and conservation status of...

DETERMINATION OF HEAVY METALS IN VEGETABLES PROCURED FROM OPEN MARKETS IN BENIN CITY

Heavy metals are metallic elements whose density exceeds that of water, worldwide food chain's role in heavy metal ingestion has been widely investigated. This work aims to determine the heavy metal content of vegetables obtained from Uselu, Santana and Oba market in order to eva...

Performance evaluation of GPS and BeiDou hybrid positioning using a low cost GNSS receiver in Nigeria

This study evaluates the performance of Global Positioning System (GPS)-only, BeiDou-only, and hybridized GPS+BeiDou Global Navigation Satellite System (GNSS) constellations in Nigeria, with emphasis on positional stability and the benefits of multi-constellation integration. A d...

Influence of Relative Humidity and Visibility on Fine Particulate Matter Concentrations in the Niger Delta: Ground Based Evidence from Edo State, Nigeria.

Fine particulate matter (PM₂.₅) remains one of the most critical air pollutants affecting public health, atmospheric visibility, and environmental sustainability, particularly in rapidly urbanizing regions of developing countries. Despite growing concerns regarding air pollution...